package com.example.tests;

import static org.openqa.selenium.support.ui.ExpectedConditions.visibilityOfElementLocated;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.Properties;
import java.util.Random;

import org.openqa.selenium.By;
import org.openqa.selenium.WebElement;
import org.openqa.selenium.support.ui.WebDriverWait;

import com.example.fw.ApplicationManager;
import com.thoughtworks.xstream.XStream;

public class ContactDataGenerator {
	protected static ApplicationManager app;
	
	public static void main(String[] args) throws IOException {
		String configFile = System.getProperty("configFile", "application.properties");
		Properties properties = new Properties();
		properties.load(new FileReader(new File(configFile)));
		app = new ApplicationManager(properties);
		
		app.getContactHelper().initContactCreation();
		
		if (args.length < 3) {
			System.out.println("Please specify parameters: <amount of test data> <file> <format>");
			return;
		}
		
		int amount = Integer.parseInt(args[0]);
		File file = new File(args[1]);
		String format = args[2];
		
		if (file.exists()) {
			System.out.println("File already exists, please remove it manually: " + file);
			return;
		}
		
		List<ContactData> contacts = generateRandomContacts(amount);
		if ("csv".equals(format)) {
			saveContactsToCsvFile(contacts, file);
		} else if ("xml".equals(format)) {
			saveContactsToXmlFile(contacts, file);
		} else {
			System.out.println("Unknown format " + format);
			return;
		}
	}

	private static List<ContactData> generateRandomContacts(int amount) {
		List<ContactData> list = new ArrayList<ContactData>();
		for (int i = 0; i < amount; i++) {
			ContactData contact = new ContactData()
			.withFirstName(generateRandomString())
			.withLastName(generateRandomString())
			.withAddress(generateRandomString())
			.withHomePhone(generateRandomString())
			.withMobilePhone(generateRandomString())
			.withWorkPhone(generateRandomString())
			.withEmail(generateRandomString())
			.withEmail2(generateRandomString())
			.withBirthDay(generateRandomBirthDate())
			.withBirthYear(generateRandomBirthYear())
			.withBirthMonth(generateRandomBirthMonth())
			.withGroup(selectRandomGroup())
			.withAddress2(generateRandomString())
			.withHomePhone2(generateRandomString());
			list.add(contact);
		}
		return list;
	}

	private static String selectRandomGroup() {
		List<WebElement> options = getElements(By.xpath("//form/select[3]/option"));
		Random rnd = new Random();
		return options.get(rnd.nextInt(options.size())).getText();
	}
	
	private static List<WebElement> getElements(By locator) {
		WebDriverWait wait = new WebDriverWait(app.driver, 30);
		wait.until(visibilityOfElementLocated(locator));
		List<WebElement> elements = app.driver.findElements(locator);
		return elements;
	}

	private static int generateRandomBirthMonth() {
		Random rnd = new Random();
		int monthIndex = rnd.nextInt(12);
		return monthIndex;
	}

	private static String generateRandomBirthYear() {
			Random rnd = new Random();
			if (rnd.nextInt(3) == 0) {
				return "";
			} else {
				return Integer.toString(rnd.nextInt(9998));
			}
	}

	private static String generateRandomBirthDate() {
		Random rnd = new Random();
		if (rnd.nextInt(3) == 0) {
			return "-";
		} else {
			return Integer.toString(rnd.nextInt(30)+1) ;
		}
	}

	private static String generateRandomString() {
		Random rnd = new Random();
		if (rnd.nextInt(3) == 0) {
			return "";
		} else {
			return "test"+rnd.nextInt();
		}
	}

	private static void saveContactsToXmlFile(List<ContactData> contacts, File file) throws IOException {
		XStream xstream = new XStream();
		xstream.alias("contact", ContactData.class);
		String xml = xstream.toXML(contacts);
		FileWriter writer = new FileWriter(file);
		writer.write(xml);
		writer.close();
	}
	
	public static List<ContactData> loadContactsFromXmlFile(File file) {
		XStream xstream = new XStream();
		xstream.alias("contact", ContactData.class);
		return (List<ContactData>) xstream.fromXML(file);
	}

	private static void saveContactsToCsvFile(List<ContactData> contacts, File file) throws IOException {
		FileWriter writer = new FileWriter(file);
		for (ContactData contact : contacts) {
			writer.write(contact.getFirstName() + "," + contact.getLastName() + "," + contact.getAddress() + "," + contact.getHomePhone() +
					"," + contact.getMobilePhone() + "," + contact.getWorkPhone() + "," + contact.getEmail() + "," + contact.getEmail2() +
					"," + contact.getBirthDay() + "," + contact.getBirthMonth() + "," + contact.getBirthYear() + "," + contact.getGroup() +
					"," + contact.getAddress2() + "," + contact.getHomePhone2() + ",!" + "\n");
		}
		writer.close();
	}
	
	public static List<ContactData> loadContactsFromCsvFile(File file) throws IOException {
		List<ContactData> list = new ArrayList<ContactData>();
		FileReader reader = new FileReader(file);
		BufferedReader bufferedReader = new BufferedReader(reader);
		String line = bufferedReader.readLine();
		while (line != null) {
			String[] part = line.split(",");
			ContactData contact = new ContactData()
			.withFirstName(part[0])
			.withLastName(part[1])
			.withAddress(part[2])
			.withHomePhone(part[3])
			.withMobilePhone(part[4])
			.withWorkPhone(part[5])
			.withEmail(part[6])
			.withEmail2(part[7])
			.withBirthDay(part[8])
			.withBirthMonth(Integer.parseInt(part[9]))
			.withBirthYear(part[10])
			.withGroup(part[11])
			.withAddress2(part[12])
			.withHomePhone2(part[13]);
			list.add(contact);
			line = bufferedReader.readLine();
		}
		bufferedReader.close();
		return list;
	}
}
